Technical Articles

General LT1 Information - Compilation of information on the background of the LT1 and why LT1s are so well suited for retrofits.

Wiring Schematics/Diagrams - Great source for LT1 Wiring Schematics for B-body and F-Body Vehicles. All Schematics are modified with information on connecting the wires that are necessary if you are looking to modify your own harness.

Installation Instructions - PSI Installation Instructions for installing our kits and custom wiring harnesses.

Installation Checklists - Simple Checklist for swapping LT1 engines into non-LT1 vehicles. Who knows, you may find some things you didnt know.